The calibrated model-based concordance improved assessment of discriminative ability in patient clusters of limited sample size by David van Klaveren, Ewout W. Steyerberg, Mithat Gönen, Yvonne Vergouwe

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Graphical calibration curves and the integrated calibration index (ICI) for competing risk models by Peter C. Austin, Hein Putter, Daniele Giardiello, David van Klaveren

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Estimating individualized treatment effects from randomized controlled trials: a simulation study to compare risk-based approaches by Alexandros Rekkas, Peter R. Rijnbeek, David M. Kent, Ewout W. Steyerberg, David van Klaveren

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3385 TARGETING DIABETES PREVENTION PROGRAMS: INDIVIDUAL RISK-BASED HEALTH ECONOMIC ANALYSIS by Natalia Olchanski, David van Klaveren, Joshua T Cohen, John B Wong, Robin Ruthazer, David M Kent

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Validation of prediction models: examining temporal and geographic stability of baseline risk and estimated covariate effects by Peter C. Austin, David van Klaveren, Yvonne Vergouwe, Daan Nieboer, Douglas S. Lee, Ewout W. Steyerberg

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Pitfalls of single-study external validation illustrated with a model predicting functional outcome after aneurysmal subarachnoid hemorrhage by Jordi de Winkel, Carolien C. H. M. Maas, Bob Roozenbeek, David van Klaveren, Hester F. Lingsma

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Identifying trauma patients with benefit from direct transportation to Level-1 trauma centers by Charlie A. Sewalt, Benjamin Y. Gravesteijn, Daan Nieboer, Ewout W. Steyerberg, Dennis Den Hartog, David Van Klaveren

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Weighted metrics are required when evaluating the performance of prediction models in nested case–control studies by Barbara Rentroia-Pacheco, Domenico Bellomo, Inge M. M. Lakeman, Marlies Wakkee, Loes M. Hollestein, David van Klaveren

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A standardized framework for risk-based assessment of treatment effect heterogeneity in observational healthcare databases by Alexandros Rekkas, David van Klaveren, Patrick B. Ryan, Ewout W. Steyerberg, David M. Kent, Peter R. Rijnbeek

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Impact of waiting time on post-transplant survival for recipients with hepatocellular carcinoma: A natural experiment randomized by blood group by Berend R Beumer, Wojciech G Polak, Robert A de Man, Herold J Metselaar, David van Klaveren, Jeremy Labrecque, Jan NM IJzermans

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Does poor methodological quality of prediction modeling studies translate to poor model performance? An illustration in traumatic brain injury by Isabel R. A. Retel Helmrich, Ana Mikolić, David M. Kent, Hester F. Lingsma, Laure Wynants, Ewout W. Steyerberg, David van Klaveren

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Predictive approaches to heterogeneous treatment effects: a scoping review by Alexandros Rekkas, Jessica K. Paulus, Gowri Raman, John B. Wong, Ewout W. Steyerberg, Peter R. Rijnbeek, David M. Kent, David van Klaveren

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Number of life-years lost at the time of diagnosis and several years post-diagnosis in patients with solid malignancies: a population-based study in the Netherlands, 1989–2019Resea... by Carolien C.H.M. Maas, David van Klaveren, Otto Visser, Matthias A.W. Merkx, Hester F. Lingsma, Valery E.P.P. Lemmens, Avinash G. Dinmohamed

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P1139: COMPARISON OF 6XR-CHOP21 VERSUS 6XR-CHOP+2R FOR ADVANCED-STAGE DIFFUSE LARGE B-CELL LYMPHOMA: A PROPENSITY SCORE WEIGHTED POPULATION-BASED ANALYSIS by Carolien Maas, David van Klaveren, Mujde Durmaz, Otto Visser, Djamila Issa, Eduardus F.M. Posthuma, Josée Zijlstra, Martine Chamuleau, Pieternella Lugtenburg, Marie José Kersten, Avinash Dinmohamed

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Endovascular versus neurosurgical aneurysm treatment: study protocol for the development and validation of a clinical prediction tool for individualised decision making by Hester F Lingsma, Diederik W J Dippel, David van Klaveren, Bob Roozenbeek, Mathieu van der Jagt, Ruben Dammers, Pieter-Jan van Doormaal, Jordi de Winkel, Simone A Dijkland

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Personalized decision-making for aneurysm treatment of aneurysmal subarachnoid hemorrhage: development and validation of a clinical prediction tool by Jordi de Winkel, Bob Roozenbeek, Simone A. Dijkland, Ruben Dammers, Pieter-Jan van Doormaal, Mathieu van der Jagt, David van Klaveren, Diederik W. J. Dippel, Hester F. Lingsma

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Personalised decision making to predict absolute metastatic risk in cutaneous squamous cell carcinoma: development and validation of a clinico-pathological modelResearch in context by Barbara Rentroia-Pacheco, Selin Tokez, Edo M. Bramer, Zoe C. Venables, Harmen J.G. van de Werken, Domenico Bellomo, David van Klaveren, Antien L. Mooyaart, Loes M. Hollestein, Marlies Wakkee

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Normal tissue complication probability modeling for late rectal bleeding after conventional or hypofractionated radiotherapy for prostate cancer by Christian A.M. Jongen, Ben J.M. Heijmen, Wilco Schillemans, Andras Zolnay, Marnix G. Witte, Floris J. Pos, Ben Vanneste, Ludwig J. Dubois, David van Klaveren, Luca Incrocci, Wilma D. Heemsbergen

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Development and validation of self-monitoring auto-updating prognostic models of survival for hospitalized COVID-19 patients by Todd J. Levy, Kevin Coppa, Jinxuan Cang, Douglas P. Barnaby, Marc D. Paradis, Stuart L. Cohen, Alex Makhnevich, David van Klaveren, David M. Kent, Karina W. Davidson, Jamie S. Hirsch, Theodoros P. Zanos

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Guidance for unbiased predictive information for healthcare decision-making and equity (GUIDE): considerations when race may be a prognostic factor by Keren Ladin, John Cuddeback, O. Kenrik Duru, Sharad Goel, William Harvey, Jinny G. Park, Jessica K. Paulus, Joyce Sackey, Richard Sharp, Ewout Steyerberg, Berk Ustun, David van Klaveren, Saul N. Weingart, David M. Kent

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